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Add details about what remains to be done to the README
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‎README.md‎

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@@ -18,3 +18,254 @@ The following ideas need to be investigated:
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* We may benefit from the reference receive optimization when doing calls
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* We may want a way to pipeline draw operations
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* Using HiPE mutable bytearrays for "void* pixels" types
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The following tasks remain to be done:
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* http://hg.libsdl.org/SDL/file/default/include/SDL.h
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* We need a function which_subsystems() which lists started subsystems.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_hints.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_error.h
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* Anything that can produce errors will have an automatic call to SDL_GetError.
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* I am not sure we need any direct access to those functions.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_log.h
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* We already have logging in Erlang. Not sure we need this.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_assert.h
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* I am not sure we need this, and we can't use the assert macro directly anyway.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_version.h
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* It might be useful to provide access to some of the macros as functions.
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* The SDL_GetRevisionNumber function needs to be implemented.
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* It might be interesting to use the macros to conditionally implement some features,
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this way we could be compatible with all versions >= 2.0.0.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_video.h
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* The SDL_DisplayMode structure and related functions need to be implemented:
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* SDL_GetNumDisplayModes()
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* SDL_GetDisplayMode()
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* SDL_GetDesktopDisplayMode()
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* SDL_GetCurrentDisplayMode()
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* SDL_GetClosestDisplayMode()
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* SDL_SetWindowDisplayMode()
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* SDL_GetWindowDisplayMode()
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* Most other display functions are also not implemented:
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* SDL_GetNumVideoDisplays()
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* SDL_GetDisplayName()
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* SDL_GetDisplayBounds()
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* SDL_GetDisplayDPI()
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* Some window functions need to be implemented:
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* SDL_CreateWindowFrom()
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* SDL_GetWindowData()
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* SDL_SetWindowData()
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* SDL_GetWindowPixelFormat()
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* SDL_GetWindowFromID()
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* SDL_GetWindowSurface()
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* SDL_UpdateWindowSurface()
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* SDL_UpdateWindowSurfaceRects()
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* SDL_GetGrabbedWindow()
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* SDL_SetWindowGammaRamp()
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* SDL_GetWindowGammaRamp()
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* There is an SDL_WINDOW_MOUSE_CAPTURE window flag we need to implement.
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* There are two window pos flags, related to multi monitors, that we don't support:
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* SDL_WINDOWPOS_UNDEFINED_DISPLAY(X)
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* SDL_WINDOWPOS_CENTERED_DISPLAY(X)
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* We do not support OpenGL at all yet:
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* SDL_GLContext
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* SDL_GLattr
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* SDL_GLprofile
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* SDL_GLcontextFlag
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* SDL_GLcontextReleaseFlag
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* SDL_GL_LoadLibrary()
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* SDL_GL_GetProcAddress()
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* SDL_GL_UnloadLibrary()
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* SDL_GL_ExtensionSupported()
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* SDL_GL_ResetAttributes()
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* SDL_GL_SetAttribute()
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* SDL_GL_GetAttribute()
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* SDL_GL_CreateContext()
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* SDL_GL_MakeCurrent()
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* SDL_GL_GetCurrentWindow()
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* SDL_GL_GetCurrentContext()
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* SDL_GL_GetDrawableSize()
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* SDL_GL_SetSwapInterval()
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* SDL_GL_GetSwapInterval()
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* SDL_GL_SwapWindow()
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* SDL_GL_DeleteContext()
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* We do not support any of the video driver related functions:
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* SDL_GetNumVideoDrivers()
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* SDL_GetVideoDriver()
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* SDL_VideoInit()
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* SDL_VideoQuit()
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* SDL_GetCurrentVideoDriver()
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* Flags and functions relating to SDL_HitTest are not implemented:
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* SDL_HitTestResult
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* SDL_HitTest() callback
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* SDL_SetWindowHitTest()
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* Screensaver related functions are not implemented:
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* SDL_IsScreenSaverEnabled()
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* SDL_EnableScreenSaver()
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* SDL_DisableScreenSaver()
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* http://hg.libsdl.org/SDL/file/default/include/SDL_render.h
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* The SDL_RendererInfo structure and related functions are not implemented:
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* SDL_GetRenderDriverInfo()
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* SDL_GetRendererInfo()
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* The SDL_TextureAccess enum is not implemented.
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* The SDL_TextureModulate enum is not implemented.
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* A number of other functions are not implemented:
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* SDL_CreateSoftwareRenderer()
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* SDL_GetRenderer()
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* SDL_CreateTexture()
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* SDL_QueryTexture()
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* SDL_UpdateTexture()
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* SDL_UpdateYUVTexture()
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* SDL_LockTexture()
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* SDL_UnlockTexture()
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* SDL_SetRenderTarget()
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* SDL_GetRenderTarget()
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* SDL_RenderIsClipEnabled()
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* SDL_RenderReadPixels()
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* We do not support OpenGL at all yet:
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* SDL_GL_BindTexture()
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* SDL_GL_UnbindTexture()
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* http://hg.libsdl.org/SDL/file/default/include/SDL_pixels.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_rect.h
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* We need to implement everything, though we already have points and rects as maps elsewhere.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_surface.h
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* We need to implement everything except SDL_FreeSurface().
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* http://hg.libsdl.org/SDL/file/default/include/SDL_syswm.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_events.h
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* The following event types need to be implemented:
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* SDL_APP_TERMINATING (iOS and Android)
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* SDL_APP_LOWMEMORY (iOS and Android)
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* SDL_APP_WILLENTERBACKGROUND (iOS and Android)
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* SDL_APP_DIDENTERBACKGROUND (iOS and Android)
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* SDL_APP_WILLENTERFOREGROUND (iOS and Android)
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* SDL_APP_DIDENTERFOREGROUND (iOS and Android)
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* SDL_SYSWMEVENT (SDL_SysWMEvent, SDL_SysWMmsg)
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* SDL_TEXTEDITING (SDL_TEXTEDITINGEVENT_TEXT_SIZE, SDL_TextEditingEvent)
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* SDL_TEXTINPUT (SDL_TEXTINPUTEVENT_TEXT_SIZE, SDL_TextInputEvent)
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* SDL_JOYAXISMOTION (SDL_JoyAxisEvent)
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* SDL_JOYBALLMOTION (SDL_JoyBallEvent)
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* SDL_JOYHATMOTION (SDL_JoyHatEvent)
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* SDL_JOYBUTTONDOWN (SDL_JoyButtonEvent)
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* SDL_JOYBUTTONUP (SDL_JoyButtonEvent)
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* SDL_JOYDEVICEADDED (SDL_JoyDeviceEvent)
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* SDL_JOYDEVICEREMOVED (SDL_JoyDeviceEvent)
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* SDL_CONTROLLERAXISMOTION (SDL_ControllerAxisEvent)
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* SDL_CONTROLLERBUTTONDOWN (SDL_ControllerButtonEvent)
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* SDL_CONTROLLERBUTTONUP (SDL_ControllerButtonEvent)
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* SDL_CONTROLLERDEVICEADDED (SDL_ControllerDeviceEvent)
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* SDL_CONTROLLERDEVICEREMOVED (SDL_ControllerDeviceEvent)
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* SDL_CONTROLLERDEVICEREMAPPED (SDL_ControllerDeviceEvent)
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* SDL_FINGERDOWN (SDL_TouchFingerEvent)
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* SDL_FINGERUP (SDL_TouchFingerEvent)
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* SDL_FINGERMOTION (SDL_TouchFingerEvent)
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* SDL_DOLLARGESTURE (SDL_DollarGestureEvent)
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* SDL_DOLLARRECORD (SDL_DollarGestureEvent)
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* SDL_MULTIGESTURE (SDL_MultiGestureEvent)
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* SDL_CLIPBOARDUPDATE
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* SDL_DROPFILE (SDL_DropEvent)
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* SDL_AUDIODEVICEADDED (SDL_AudioDeviceEvent)
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* SDL_AUDIODEVICEREMOVED (SDL_AudioDeviceEvent)
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* SDL_RENDER_TARGETS_RESET
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* SDL_RENDER_DEVICE_RESET
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* User defined events, from SDL_USEREVENT to SDL_LASTEVENT (SDL_UserEvent)
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* We currently do not handle the SDL_MouseMotionEvent.state value
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* We currently do not handle the SDL_MouseWheelEvent.direction value (SDL >= 2.0.4, unreleased yet)
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* We need to implement the following functions:
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* SDL_PumpEvents()
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* SDL_PeepEvents()
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* SDL_HasEvent()
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* SDL_HasEvents()
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* SDL_FlushEvent()
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* SDL_FlushEvents()
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* SDL_WaitEvent()
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* SDL_WaitEventTimeout()
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* SDL_PushEvent()
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* SDL_SetEventFilter()
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* SDL_GetEventFilter()
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* SDL_AddEventWatch()
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* SDL_DelEventWatch()
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* SDL_FilterEvents()
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* SDL_EventState()
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* SDL_RegisterEvents()
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* http://hg.libsdl.org/SDL/file/default/include/SDL_keyboard.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_keycode.h
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* We probably should make it easy to identify keycodes and scancodes.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_scancode.h
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* We probably should make it easy to identify keycodes and scancodes.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_mouse.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_joystick.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_gamecontroller.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_haptic.h
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* We need to implement everything.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_audio.h
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* We need to implement everything.
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* We might want to implement SDL_mixer first.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_thread.h
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* We don't really need this for Erlang, do we?
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* http://hg.libsdl.org/SDL/file/default/include/SDL_mutex.h
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* We don't really need this for Erlang, do we?
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* http://hg.libsdl.org/SDL/file/default/include/SDL_atomic.h
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* We don't really need this for Erlang, do we?
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* http://hg.libsdl.org/SDL/file/default/include/SDL_timer.h
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* We need to implement everything.
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* It's not the most useful to have, but doesn't hurt to have it.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_rwops.h
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* We need to implement everything.
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* It's currently unclear if and how this should be implemented.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_loadso.h
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* We don't really need this for Erlang, do we?
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* http://hg.libsdl.org/SDL/file/default/include/SDL_platform.h
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* We need to implement the one function in there. Can always be useful.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_cpuinfo.h
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* The function SDL_HasAVX2() needs to be implemented. (SDL >= 2.0.4, unreleased yet)
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* http://hg.libsdl.org/SDL/file/default/include/SDL_endian.h
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* We need to implement everything.
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* It's currently unclear if and how this should be implemented.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_bits.h
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* We need to implement everything.
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* It's currently unclear if and how this should be implemented.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_system.h
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* We need to implement everything.
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* It's currently unclear if and how this should be implemented.
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* http://hg.libsdl.org/SDL/file/default/include/SDL_stdinc.h
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* Nothing except support for SDL_bool was implemented.
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* There might be useful bits and pieces in there, in particular the math or iconv functions.

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